#VU53392 OS Command Injection in Cisco DNA Spaces Connector - CVE-2021-1558

Vulnerability identifier: #VU53392

Vulnerability risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-1558

CWE-ID: CWE-78

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco DNA Spaces Connector
Other software / Other software solutions

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a local user to execute arbitrary shell commands on the target system.

The vulnerability exists due to insufficient restrictions during the execution of affected CLI commands. A local administrator can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco DNA Spaces Connector: before 2.3.1

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dnasp-conn-prvesc-q6T6BzW

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.